1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.messageboards.action;
24  
25  import com.liferay.portal.kernel.servlet.SessionErrors;
26  import com.liferay.portal.kernel.util.ObjectValuePair;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.kernel.util.StringUtil;
29  import com.liferay.portal.security.auth.PrincipalException;
30  import com.liferay.portal.struts.PortletAction;
31  import com.liferay.portal.theme.ThemeDisplay;
32  import com.liferay.portal.util.PortalUtil;
33  import com.liferay.portal.util.WebKeys;
34  import com.liferay.portlet.ActionResponseImpl;
35  import com.liferay.portlet.messageboards.MessageBodyException;
36  import com.liferay.portlet.messageboards.MessageSubjectException;
37  import com.liferay.portlet.messageboards.NoSuchMessageException;
38  import com.liferay.portlet.messageboards.NoSuchThreadException;
39  import com.liferay.portlet.messageboards.RequiredMessageException;
40  import com.liferay.portlet.messageboards.SplitThreadException;
41  import com.liferay.portlet.messageboards.model.MBMessage;
42  import com.liferay.portlet.messageboards.model.MBThread;
43  import com.liferay.portlet.messageboards.model.impl.MBThreadImpl;
44  import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
45  import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
46  import com.liferay.portlet.messageboards.service.MBThreadServiceUtil;
47  
48  import java.util.ArrayList;
49  
50  import javax.portlet.ActionRequest;
51  import javax.portlet.ActionResponse;
52  import javax.portlet.PortletConfig;
53  import javax.portlet.PortletPreferences;
54  import javax.portlet.PortletURL;
55  import javax.portlet.RenderRequest;
56  import javax.portlet.RenderResponse;
57  
58  import org.apache.struts.action.ActionForm;
59  import org.apache.struts.action.ActionForward;
60  import org.apache.struts.action.ActionMapping;
61  
62  /**
63   * <a href="SplitThreadAction.java.html"><b><i>View Source</i></b></a>
64   *
65   * @author Jorge Ferrer
66   */
67  public class SplitThreadAction extends PortletAction {
68  
69      public void processAction(
70              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
71              ActionRequest actionRequest, ActionResponse actionResponse)
72          throws Exception {
73  
74          try {
75              splitThread(actionRequest, actionResponse);
76          }
77          catch (Exception e) {
78              if (e instanceof PrincipalException ||
79                  e instanceof RequiredMessageException) {
80  
81                  SessionErrors.add(actionRequest, e.getClass().getName());
82  
83                  setForward(actionRequest, "portlet.message_boards.error");
84              }
85              else if (e instanceof MessageBodyException ||
86                       e instanceof MessageSubjectException ||
87                       e instanceof NoSuchThreadException ||
88                       e instanceof SplitThreadException) {
89  
90                  SessionErrors.add(actionRequest, e.getClass().getName());
91              }
92              else {
93                  throw e;
94              }
95          }
96      }
97  
98      public ActionForward render(
99              ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
100             RenderRequest renderRequest, RenderResponse renderResponse)
101         throws Exception {
102 
103         try {
104             ActionUtil.getMessage(renderRequest);
105         }
106         catch (Exception e) {
107             if (e instanceof NoSuchMessageException ||
108                 e instanceof PrincipalException) {
109 
110                 SessionErrors.add(renderRequest, e.getClass().getName());
111 
112                 return mapping.findForward("portlet.message_boards.error");
113             }
114             else {
115                 throw e;
116             }
117         }
118 
119         return mapping.findForward(
120             getForward(renderRequest, "portlet.message_boards.split_thread"));
121     }
122 
123     protected void splitThread(
124             ActionRequest actionRequest, ActionResponse actionResponse)
125         throws Exception {
126 
127         ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
128             WebKeys.THEME_DISPLAY);
129 
130         PortletPreferences prefs = actionRequest.getPreferences();
131 
132         long messageId = ParamUtil.getLong(actionRequest, "messageId");
133 
134         MBMessage message = MBMessageLocalServiceUtil.getMessage(messageId);
135 
136         long oldThreadId = message.getThreadId();
137         long oldParentMessageId = message.getParentMessageId();
138 
139         MBThread newThread = MBThreadServiceUtil.splitThread(
140             messageId, prefs, themeDisplay);
141 
142         boolean addExplanationPost = ParamUtil.getBoolean(
143             actionRequest, "addExplanationPost");
144 
145         if (addExplanationPost) {
146             String subject = ParamUtil.getString(actionRequest, "subject");
147             String body = ParamUtil.getString(actionRequest, "body");
148 
149             String layoutFullURL = PortalUtil.getLayoutFullURL(themeDisplay);
150 
151             String newThreadURL =
152                 layoutFullURL + "/message_boards/message/" +
153                     message.getMessageId();
154 
155             body = StringUtil.replace(
156                 body,
157                 new String[] {
158                     "[$NEW_THREAD_URL$]",
159                 },
160                 new String[] {
161                     newThreadURL
162                 });
163 
164             MBMessageServiceUtil.addMessage(
165                 message.getCategoryId(), oldThreadId, oldParentMessageId,
166                 subject, body, new ArrayList<ObjectValuePair<String, byte[]>>(),
167                 false, MBThreadImpl.PRIORITY_NOT_GIVEN, null, prefs, true, true,
168                 themeDisplay);
169         }
170 
171         PortletURL portletURL =
172             ((ActionResponseImpl)actionResponse).createRenderURL();
173 
174         portletURL.setParameter(
175             "struts_action", "/message_boards/view_message");
176         portletURL.setParameter(
177             "messageId", String.valueOf(newThread.getRootMessageId()));
178 
179         actionResponse.sendRedirect(portletURL.toString());
180     }
181 
182 }